Yeast Nutrients & Fermentation Aids
Yeast needs more than sugar. If it lacks nitrogen, fermentation drags, stops or produces off-flavours. Here you will find yeast nutrient, combined nutrients, vitamin B1 and a fermentation aid for the start.
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- Yeast nutrient: diammonium phosphate supplies nitrogen. Stir it into the must at the start of fermentation. Mead and fruit and berry musts are particularly low in nitrogen.
- Combined nutrient: Yeast Nutrient Complex contains DAP, inactive yeasts, cellulose and vitamin B1. Mix it with ten times its volume of water or wine and add no more than 12 g per 10 litres.
- Vitamin B1: supports the start of fermentation, ideally together with yeast nutrient.
- Fermstart Easy: a fermentation aid made from yeast autolysate. Mix it with ten times its volume of water before the pure-culture yeast goes in.
Choose the pack by batch size: 1 g portion sachets for small quantities, 10 g sachets for a single batch, 1 kg for large quantities. How much you need per litre is on the pack; more does not help. What to do if fermentation stalls anyway is explained in the “emergency plan for a stalled fermentation” in our Wine School. Why honey needs nutrients is in “Setting up mead”. The booklet “Making Mead at Home” gives all quantities for ten litres: The Maischewerk Booklets.
